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The generic name Aops comes from the Greek prefix a-(‘without’) and ops (‘eye’) because the scorpion is eyeless. The specific epithet oncodactylus derives from the Greek onkos (‘hook’) and daktylos (‘finger’) for the hooked ends of the pincer chelae.
Scorpions are predatory arachnids of the order Scorpiones. They have eight legs and are easily recognized by a pair of grasping pincers and a narrow, segmented tail, often carried in a characteristic forward curve over the back and always ending with a stinger. The evolutionary history of scorpions goes back 435 million years.
Glaucoma is a progressive condition the eye causes damage to the optic nerve. [7] The damage to the optic nerve is usually caused by intraocular pressure [8] of the eye being elevated. Glaucoma can be seen in dogs, and less commonly, cats. Treatment [9] can be in the form of ocular medication, like prescription eye drops.
They have no eyes. As in some other arachnids, the first pair of legs is modified to serve as sensory organs, and are held clear of the ground while walking. Often, however, palpigrades use their pedipalps for locomotion, so that the animal appears to be walking on five pairs of legs. [ 6 ]
Pulmonoscorpius is an extinct genus of scorpion from the Mississippian (Early Carboniferous) of Scotland.It contains a single named species, Pulmonoscorpius kirktonensis.It was one of the largest scorpions to have ever lived, with the largest known individual having an estimated length exceeding 70 cm (28 inches).
Looking directly at the sun during an eclipse can burn your retina and damage your vision in a matter of seconds. Looking at an eclipse without special glasses can damage your eyes Skip to main ...
The juveniles ride on the female's back and undergo their first molt at eight days of age. A study of captive scorpions revealed the length of their life cycle. The juveniles progress through instar stages, sometimes dying of complications with the molting process. The female reaches maturity in roughly 300 days, after seven instars, but the ...
They have one pair of median eyes at the front of the cephalothorax and up till five pairs of lateral eyes on each side of the head, a pattern also found in scorpions. [18] [19] Whip scorpions have no venom glands, but they have glands near the rear of their abdomen that can spray a combination of acetic acid and caprylic acid when they are ...